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A Transconductance Amplifier | diyAudio
https://www.diyaudio.com/community/threads/a-transconductance-amplifier.95162/
To start, I'm not trying to steal Mr. Pass's idea for a transconductance amplifier. Of course, my implementation is far different from his to begin with. I've begun developing a transconductance amplifier for my own personal use and thought I'd …
Transconductance amplifiers? - The Klipsch Audio Community
https://community.klipsch.com/index.php?/topic/167400-transconductance-amplifiers/
The F4 is not a transconductance amplifier--nor is its operation considered to be equivalent to the F1 or F1J. It would be nice to refer to transconductance amplifiers, not unity gain "impedance converting amplifiers". Wikipedia refers to transconductance amplifiers as VCCSes: Voltage-Controlled Current Sources...
audio current (transconductance) amplifier - Audio forum ...
https://e2e.ti.com/support/audio-group/audio/f/audio-forum/366606/audio-current-transconductance-amplifier
So the current (transconductance) amplifier are better for audio to driver loudspeakers rather than traditional voltage amplifier. Is it true? If its true? Are the amplifiers like LM1875 does voltage or current amplification ie will the output current be same even if the impedance of the speaker changes with frequency? thanks and regards. S Sarath
Demystifying the Operational Transconductance …
https://www.ti.com/lit/an/sboa117a/sboa117a.pdf
Demystifying the Operational Transconductance Amplifier 3 Advanced Uses of OTA Architecture This section describes several advanced uses of an OTA element in typical applications. 3.1 Current-Feedback Amplifier (CFB) Combining a transconductance amplifier with a buffer and then adding negative feedback produces the
Transconductance - University of Arizona
http://atlas.physics.arizona.edu/~shupe/Physics_Courses/Phys_586_S2015_S2016_S2017/LectureSupplements/Transconductance.pdf
Transconductance amplifiers A transconductance amplifier (gm amplifier) puts out a current proportional to its input voltage. In network analysis, the transconductance amplifier is defined as a voltage controlled current source (VCCS) . It is common to see these amplifiers installed in a cascode configuration, which improves the frequency response.
6.7: Operational Transconductance Amplifier - Engineering ...
https://eng.libretexts.org/Bookshelves/Electrical_Engineering/Electronics/Operational_Amplifiers_and_Linear_Integrated_Circuits_-_Theory_and_Application_(Fiore)/06%3A_Specialized_Op_Amps/6.07%3A_Operational_Transconductance_Amplifier
6.7: Operational Transconductance Amplifier. The Operational Transconductance Amplifier, or O T A as it is normally abbreviated, is primarily used as a controlled-gain block. This means that an external controlling signal, either a current or a voltage, will be used to set a key parameter of the circuit, such as closed-loop gain or f 2.
An All-JFET Amplifier: Exploring Modern JFETs Circuits ...
https://audioxpress.com/article/an-all-jfet-amplifier-exploring-modern-jfets-circuits
Balanced All-JFET Amp with Current Summing Figure 17 shows a balanced All-JFET amplifier with current summing (refer to the A. P. Brokaw and P. M. Timko article in Resources). Q3 and Q4, and R16–R20 form the first transconductance stage, and the second transconductance stage consists of Q1, Q2, and R11–R15.
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